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the process whereby carbon is turned into carbohydrates in plants, and becomes available as an essential foodstuff.
a group of elements between the metals and the non-metals. They are semiconductors and have some...
a solution containing much dissolved base in a little water.
compounds that are different colours in acid and alkali environments.
the energy that objects or particles have as a result of their motion.
a measure of how much solute can dissolve in a given amount of solvent.